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• AllAwareConfigurationPropertySource.java

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org.hibernate.search.engine.cfg.spi.AllAwareConfigurationPropertySource Maven / Gradle / Ivy

/*
 * SPDX-License-Identifier: Apache-2.0
 * Copyright Red Hat Inc. and Hibernate Authors
 */
package org.hibernate.search.engine.cfg.spi;

import java.util.Map;
import java.util.Set;
import java.util.function.BiPredicate;

import org.hibernate.search.engine.cfg.ConfigurationPropertySource;
import org.hibernate.search.engine.cfg.impl.MapConfigurationPropertySource;
import org.hibernate.search.engine.cfg.impl.SystemConfigurationPropertySource;

/**
 * A source of property values for Hibernate Search with knowledge of the full set of properties.
 * 

 * Implementations provide, on top of the usual key lookup,
 * a way to retrieve all keys with a given prefix,
 * which allows checking that all property keys were consumed, in particular.
 */
public interface AllAwareConfigurationPropertySource extends ConfigurationPropertySource {

	Set resolveAll(BiPredicate predicate);

	/**
	 * @param map The {@link Map} object to extract property values from.
	 * @return A source containing the properties from the given {@link Map} object.
	 */
	static AllAwareConfigurationPropertySource fromMap(Map map) {
		return new MapConfigurationPropertySource( map );
	}

	/**
	 * @return A source containing the system properties ({@link System#getProperty(String)}).
	 */
	static AllAwareConfigurationPropertySource system() {
		return SystemConfigurationPropertySource.get();
	}

}